Yukio Tokuyama

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Chiba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Water-atomized spherical metal powders and method for producing the...
- Patent number 6,221,125
- Issue date Apr 24, 2001
- Mitsubishi Steel Mfg. Co., Ltd.
- Yuji Soda
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Source powder for wear-resistant sintered material
- Patent number 5,753,005
- Issue date May 19, 1998
- Hitachi Powdered Metals Co., Ltd.
- Yoshimasa Aoki
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...